JP3388008B2 - Method and apparatus for supplying a belt-shaped member constituting a tire - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for supplying a tire-constituting belt-shaped member, and more particularly to a tire-constituting belt-shaped member capable of always adhering a tire-constituting belt-shaped member such as a side tread to a tire forming drum with high accuracy. The present invention relates to a method and apparatus for supplying a member.

[0002]

2. Description of the Related Art Conventionally, as a method and apparatus for supplying a tire-forming belt-shaped member, which has been cut to a predetermined length substantially corresponding to the circumferential length of a tire-forming drum, to the tire-forming drum, see, for example, JP-A-4-214334 or It is disclosed in Kaihei 5-104658. The former method and apparatus measure the positions of the front and rear ends of a belt-shaped member cut into about one drum, then grasp the front and rear ends and attach them to the molding drum while correcting their lengths.

However, in the case of unvulcanized tread rubber or the like, the above-mentioned feeding method and apparatus start shrinking when cut,
With a rubber member having a large degree of shrinkage, there is a problem that the length before measurement is different from the actual length at the time of gripping, and due to the influence of the measurement deviation, it is not always possible to stick accurately. Further, there is a problem that the cost is significantly increased because a measuring means and a control means for performing arithmetic control therewith are required.

The latter feeding method and apparatus are also characterized in that the first and second gripping and crimping units provided on the transfer conveyor which can move up and down together with the conveyor so as to move or stop.
The tire-shaped belt-shaped material, which has been cut to a fixed length, is attached to the tire forming drum in a state where the front end and the rear end thereof are suction-held. However, in this method and apparatus as well, the tire-shaped strip material, such as unvulcanized tread rubber, that has been cut to a fixed length is sent to the grip and crimp unit once it is free before it is gripped by the grip and crimp unit. However, there is a problem that shrinkage occurs in the meantime, and it is not always possible to paste accurately because of the shrinkage.

[0005]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention An object of the present invention is to provide a method and apparatus for supplying a tire-constituting belt-shaped member capable of always sticking the tire-constituting belt-shaped member to a tire forming drum with high accuracy by eliminating the influence of shrinkage. To provide. Further, another object of the present invention is to provide a method and apparatus for supplying a tire-constituting belt-shaped member which can be attached with high accuracy at a low cost, without using a measuring unit or a control unit for controlling the calculation accompanying the measuring unit. To provide.

[0006]

A method for supplying a tire-constituting strip-shaped member of the present invention which achieves the above-mentioned object is to cut a tire-constituting strip-shaped member, which has been conveyed on a conveyer conveyor, to a fixed length.
A method for supplying a tire-constituting strip-shaped member, which is obtained by pasting a cut tire-constituting strip-shaped member onto a tire forming drum via a sticking conveyor, wherein the tip of the tire-constituting strip-shaped member on the conveyor is constrained after cutting. As it is, a step of delivering the tip end portion to the first holding means of the pasting conveyor subsequent to the transport conveyor, and a predetermined amount of the tire constituent strip-shaped member with the tip portion of the tire constituent strip-shaped member being held by the first holding means. And a step of cutting the tire constituent strip-shaped member at a constant length while pressing the tire constituent strip-shaped member with a pressing means, and after cutting the rear end portion of the cut tire constituent strip-shaped member. While restraining, the tire-constituting strip-shaped member held by the first holding means is conveyed, and at the same time, the second belt of the pasting conveyor is conveyed.
A step of delivering a rear end portion of the tire constituting strip-shaped member to a holding means, and a position where the fixed-length cut tire constituting strip-shaped member held by the first holding means and the second holding means is attached to the forming drum And a step of sticking the tire-constituting strip-shaped member at the sticking position to the molding drum.

Further, the apparatus for supplying the belt member for constituting a tire according to the present invention is configured such that the belt member for constituting a tire conveyed on the conveyor is cut to a predetermined length, and the belt member for forming a cut tire is formed on a forming drum via a pasting conveyor. A tire component strip-shaped member feeding device to be attached to, wherein a cutting means for cutting the tire component strip-shaped member in the width direction is provided between the transport conveyor and the sticking conveyor, and a presser for pressing the cut portion of the tire component strip-shaped member. First holding means for holding the tip of the tire-constituting strip-shaped member, and a rear end of the tire-constituting strip-shaped member for maintaining the movable state or the stopped state of the sticking conveyor together with the conveyor belt by the operation of the sticking conveyor. A second holding means for holding the tire-constituting belt-like member adjacent to the conveyor. Direction can reciprocate, and is characterized in that an auxiliary holding means having a holding portion for holding the vertically movable tire component strips.

[0008]

The present invention is configured as described above, and in the state in which the tip portion of the tire-constituting strip-shaped member is held, the tip portion of the tire-constituting strip-shaped member is transferred from the transport conveyor to the first holding means of the pasting conveyor to carry out the first holding. A predetermined amount of the tire-constituting belt-shaped member is conveyed in a state where the tip portion is held by means, and the tire is cut after being cut to a fixed length corresponding to the circumferential length of the tire forming drum while pressing the tire-constituting belt-shaped member with the pressing means. While holding the rear end portion of the constituent strip-shaped member, the rear end portion is transferred to the second holding means of the pasting conveyor, and the tire constituent strip-shaped member for constant-length cutting held by the first holding means and the second holding means is formed into a tire. Since it is conveyed to the attachment position of the drum and attached to the forming drum, it is conveyed without leaving the front and rear ends of the tire-shaped belt-shaped member that has been cut to a fixed length even once. The first from Nbeya of sticking conveyor 1
It can be attached to the tire building drum via the holding means and the second holding means. Therefore, it is possible to effectively suppress the contraction of the tire-constituting belt-shaped member made of rubber or the like due to the internal stress from occurring during the conveyance of the tire-constituting belt-shaped member that has been cut to a standard length, and thus to the tire forming drum. It is possible to attach a tire-constituting strip-shaped member that has been cut to a fixed length with high accuracy. Further, since it is not necessary to measure the cut length of the tire-constituting strip-shaped member before sticking,
It is not affected by the measurement error, and further, since it is not necessary to use the measuring means or the control means for controlling the calculation accompanying it, the tire manufacturing cost can be kept low without increasing the manufacturing cost of the device, and the tire construction can always be accurately performed. A band-shaped member can be attached.

[0009]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a front explanatory view showing an example of a device for supplying a tire-constituting strip-shaped member of the present invention, wherein 1 is a conveyor for conveying a tire-constituting strip-shaped member W such as a side tread, and 10 is a fixed length on a tire forming drum F. A sticking conveyor for sticking the cut tire-shaped belt-shaped member W, and the sticking conveyor 10 is arranged so as to be linear with respect to the transport conveyor 1, and between the transport conveyor 1 and the sticking conveyor 10, A cutting means 50 for cutting the tire-constituting strip-shaped member W to a fixed length and a pressing means 70 for holding the cut portion of the tire-constituting strip-shaped member W are provided, and the tire-constituting strip-shaped member W is adjacent to the transport conveyor 1. Auxiliary holding means 90 for sucking and holding is provided.

The transport conveyor 1 is installed on an upright support frame 2 and has a conveyor belt 3 for transporting the tire-constituting belt-shaped member W. The conveyor belt 3 supports the support frame 2. Endlessly hung around pulleys 4a and 4b rotatably supported by a drive mechanism such as a drive motor (not shown) so as to be rotationally driven via a clutch mechanism (not shown) and a drive pulley 4b. .

The pasting conveyor 10 has a toothed conveyor belt 13, and this toothed conveyor belt 1
3 is endlessly wound around a head pulley 15a, a drive pulley 15b, and a plurality of guide pulleys 15c arranged in front of and behind the conveyor frame 14,
b is driven to rotate by the drive motor 16.

The conveyor frame 14 is placed on the base frame 18 via a plurality of guide rails 17 arranged in a direction orthogonal to the longitudinal direction of the adhesive conveyor 10, and thus the conveyor frame 14 is mounted. 14 is movable in a direction orthogonal to the longitudinal direction of the pasting conveyor 10. The base frame 18 is installed on the swing base 21 installed on the pedestal 19 and has a built-in air cylinder (not shown). The tire is provided above the tip side of the pasting conveyor 10 by the guide mechanism 103. It can be moved back and forth under the forming drum F. Further, a base end portion 21a of the swing base 21 is rotatably supported by a support shaft 22 provided on the pedestal 19, and a tip end portion 21b of the swing base 21 is attached to the pedestal 19 by a crimping lifting means. Is connected to the rod 23a of the swing cylinder 23. Therefore, the tip side of the sticking conveyor 10 is
Attaching conveyor 1 by expansion and contraction of rocking cylinder 23
It is possible to move up and down toward the tire forming drum F disposed above the front end side of 0.

In addition, the adhesive carrier 10 can maintain the movable or stopped state together with the toothed conveyor belt 13 of the adhesive carrier 10 and also sucks and holds the tip lower surface Wa of the belt material W constituting the tire. The holding means 24 and the second holding means 25 for sucking and holding the rear end lower surface Wb of the tire-constituting strip-shaped material W are provided. Since the first holding means 24 and the second holding means 25 have exactly the same configuration, the configuration of the first holding means 24 will be described and the description of the second holding means 25 will be omitted.

As shown in FIGS. 2 and 3, the first holding means 24 has slide rails 2 mounted on the conveyor frames 14 installed at opposite positions on the base frame 18.
6a and 26b are installed parallel to each other along the conveying direction of the conveyor, and vertical support plates 28a and 28b are hung on the slide rails 26a and 26b via slide blocks 27a and 27b so as to face each other. Two
9a and 29b are slidably mounted. Two shafts 30a and 30b are rotatably supported in parallel and horizontally along the width direction of the toothed conveyor belt 13 at predetermined intervals on upper portions of the support plates 28a and 28b facing each other. A pulley 3 provided with urethane flanges 31a and 31b on both ends of the shafts 30a and 30b.
2a and 32b are fixed via a collar 31 and a key 33.

Further, below the center of the shafts 30a and 30b, the shaft 3 is rotatably supported by support plates 28a and 28b in parallel with the shafts 30a and 30b.
5, a toothed pulley 37 is fixed to the shaft 35 via a key 36. Further, brake devices 38a and 38b for suppressing rotation of the shaft 35 are provided at both ends of the shaft 35 protruding outward from the support plates 28a and 28b. The toothed pulley 37 that engages with the toothed conveyor belt 13 below the conveying height (conveying surface) of the tire-constituting strip-shaped member W is
The braking devices 38a and 38b are configured to be in a state of freely rotating and a state of braking through the shaft 35, and move with the movement of the toothed conveyor belt 13 when the braking devices 38a and 38b are in the braking state. It is supposed to do.

At the approximate center between the shafts 30a and 30b,
Adsorption holding means 40 for adsorbing and holding the tip lower surface Wa of the tire-constituting strip-shaped material W is arranged.
Elevating means 41a, 41b such as elevating cylinders fixed to upper side surfaces of the support plates 28a, 28b, a placing plate 43 placed on a rod 42 of the elevating means 41a, 41b, and the placing plate 43, respectively. And a plurality of vacuum suction pads 44 (arranged along the width direction of the tire-constituting strip-shaped material W) mounted at predetermined intervals on the upper end of the vacuum suction pad 44. It is located in the vicinity of the lower surface of the tire-constituting strip-shaped material W conveyed above.

Further, in FIG. 2, reference numerals 45 and 46 are flanges provided on the pulleys 32a and 32b and the toothed pulley 37, respectively. As shown in FIG. 4, the cutting means 50 is located above the transport conveyor 1 (the tire-constituting strip-shaped material W).
Of the traveling frame 5 disposed in a direction intersecting with the transport direction of the tire-constituting strip-shaped material W above the transport surface of the tire.
1, the traveling frame 51 is provided with a cutter portion C that is capable of traveling along the transverse direction of the tire-constituting strip-shaped material W and that has a rotary round blade 56 for cutting at the lower end.

The cutter portion C has a mounting plate 53 which is reciprocally movable along a traveling rail 52 provided on a traveling frame 51 along the intersecting direction of the belt material W constituting the tire. A drive motor 54 is attached to 53 with its rotary shaft portion 55 facing downward, and a rotary round blade 56 that rotates with the rotation of the rotary shaft portion 55 is attached to the tire constituent strip W at the lower end of the rotary shaft portion 55. It is fixed so that it can be cut diagonally.

Further, between the conveyor belt 3 of the conveyer conveyor 1 and the toothed conveyor belt 13 of the pasting conveyor 10 facing the rotary round blade 56, the pedestal 63 for placing and cutting the belt material W constituting the tire is placed. Is provided. A bracket 57 is attached to the traveling frame 51, and an endless toothed belt 59 is wound around a pair of pulleys 58a and 58b rotatably supported by the bracket 57. The attachment plate 53 is connected and fixed to one toothed belt 59 between the pulleys 58a and 58b, and a cutter moving motor 60 is attached to the shaft of the one pulley 58b. Therefore, this motor 6
The pulley 58b is rotationally driven by the operation of 0, and the mounting plate 53, that is, the cutter portion C is moved by the movement of the toothed belt 59.
Is configured to be able to travel and move in the transverse direction of the belt material W constituting the tire.

The pressing means 70 is a pair of pressing portions 70 for pressing and holding both sides of the cut portion of the belt member W constituting the tire.
A and 70B, and as shown in detail in FIG. 5 (only the pressing portion 70A at the front portion in the transport direction is shown), the pressing portion 7
0A and 70B are below the pedestal 63 (below the conveying surface of the tire-constituting strip-shaped member W), and the tire-constituting strip-shaped material W.
The frame 71 disposed in a direction intersecting with the transport direction of the tire is provided at positions on both sides of the cutting portion of the tire-constituting strip-shaped material W, and a pair of pressing cylinders 72 are provided on the frame 71. The telescopic rod 73 is attached so that the telescopic rod 73 is on the upper side, and the telescopic rod 73 is projected and retracted above the transport surface of the belt member W constituting the tire.

A connecting member 74 is horizontally installed between the upper ends of the rods 73, and a pressing plate (pressing member) 75 for pressing the belt material W constituting the tire in the width direction is attached to the connecting member 74. . Therefore, the pressing plate 72 is lowered by the operation of the pressing cylinder 72, and presses the pressing plate 7 between the front side and the rear side of the cut portion of the tire-constituting strip-shaped material W.
It can be pressed and held by 5.

The auxiliary holding means 90 is the support frame 2
The upper and lower guide rods 91a and 91b extending along the transport direction of the belt-shaped member W for forming the tire formed above are provided on both sides of the transport conveyor 1, and the guide rods 91a and 91b are provided.
A slide member 92 is mounted on b in such a manner that it reciprocally moves along it. On the slide member 92, an arm 94 is attached to a support shaft 93 rotatably supported in the horizontal direction in a direction orthogonal to the support shaft 93, and a tip portion 94 a of the arm 94 is vertically moved around the support shaft 93. It is designed to swing (it can be raised and lowered). As shown in FIG. 5, the tip end portion 94a of the arm 94 has a belt member W constituting the tire.
A plurality of vacuum suction pads (holding portions) 95 that suction the upper surface of the tire in the width direction are linearly arranged in the width direction of the tire-constituting strip-shaped member W.

A slide member 9 is provided on the rear end side of the arm 94.
Telescopic rod 97 of the lifting cylinder 96 attached to 2
The vacuum suction pad 95 arranged at the tip of the arm 94 moves up and down by the operation of the lifting cylinder 96. Further, adjacent to the slide member 92, three toothed pulleys 98a, 98 are provided on a support member (not shown).
b and 98c are arranged at predetermined intervals in a triangular shape and are rotatably supported, and an endless toothed belt 99 is wound. The toothed pulley 98c is arranged coaxially with the pulley 4b of the transport conveyor 1 and is directly connected to the driving means of the pulley 4b. The slide member 92 receives the rotational driving force from a drive motor (not shown) of the conveyor 1 and the clutch cylinder 10 supported by the slide member 92.
By holding the toothed belt 99 by extending the rod of No. 0, the rod is independently reciprocated along the rods 91a and 91b. Further, a toothed pulley 98 (not shown)
By operating the clutch mechanism provided between c and the pulley 4b,
Transport conveyor 1 by rotating pulley 4b
You can move in sync with.

Reference numeral 102 denotes a guide roller arranged at the introduction portion of the conveyor 1 for centering the tire-constituting strip-shaped member W introduced to the conveyor 1. Further, the driving means such as the above-mentioned thinner and motor are drive-controlled by a control means (not shown). Next, a method of supplying the tire-constituting strip-shaped member W to the tire forming drum F will be described with reference to FIGS. 1 and 6 to 9.

First, as a preparatory step, the transfer conveyor 1
The tire-constituting strip-shaped member W centered through the guide rollers 102 is supplied to the state shown in FIG. That is, the tip side of the cutting means 50 is pressed through the pressing means 70.
After cutting to a state in which the cut end is in an oblique direction suitable for attachment, the elevating cylinder 96 of the auxiliary holding means 90 is operated to contract the telescopic rod 97, and the arm 94.
The lower end 94a of the vacuum suction pad 9
5, the upper surface Wc of the tip of the tire-constituting strip-shaped member W
Are suction-held by the vacuum suction pad 95.

Then, the pressing means 70 is released. However, the holding plate 75 of the holding portion 70A on the front portion is raised to a high position so that the arm 94 of the auxiliary holding means 90 can pass downward. Further, the holding plate 75 of the holding portion 70B at the rear portion is lowered so that the arm 94 can pass above it. Further, the clutch cylinder 100 is operated, and the toothed belt 99 and the slide member 92 are coupled so as to move in the same direction. In such a state of FIG. 1, the clutch mechanism is operated, the toothed belt 99 is rotationally moved along with the rotation of the pulley 4b, and the slide member 92 is moved along the guide rods 91a and 91b in the conveyance direction of the tire-constituting strip-shaped member W. The sticking conveyor 10 that moves and holds the front end of the belt member W constituting the tire with the vacuum suction pad 95.
Then, the tire-constituting strip-shaped member W is delivered.

Next, as shown in FIG. 6, the belt-shaped member W constituting the tire up to the first holding means 24 of the pasting conveyor 10.
When the leading end of the tire is transported, the transport conveyor 1 stops moving, and the vacuum suction pad 44 acts to suction-hold the front lower surface Wa of the tire-constituting strip-shaped member W. Then, the brake devices 38a, 38b of the first holding means 24 are activated to fix the rotatable shaft 35 and lock the toothed pulley 37 so that it cannot rotate.
At this time, the vacuum suction pad 44 of the second holding means 25 is not in operation, and the brake device (not shown) is not in operation. Therefore, the toothed pulley of the second holding means 25 is in a freely rotatable state.

When the vacuum suction pad 44 sucks and holds the tip lower surface Wa of the tire-constituting strip-shaped member W, the suction of the vacuum suction pad 95 is released, and the lifting cylinder 96 is lifted.
Operates to extend the telescopic rod 97. Arm 9
The tip portion 94a of No. 4 rises to separate the vacuum suction pad 95 from the upper surface Wc of the tip portion of the tire-constituting strip-shaped member W.

Next, when the clutch cylinder 100 is actuated to release the lock and the driving means is rotated in the reverse direction so that the slide member 92 returns to the original position in FIG. 1, the clutch mechanism is actuated again to rotate the pulley 4b. Ready to drive. Next, transfer conveyor 1 and pasting conveyor 10
And 2 again operate synchronously at the same speed, and as shown in FIG. 7, the predetermined amount of the tire-constituting belt member W is conveyed while the first holding means 24 holds the tip end portion of the tire-constituting belt member W. When the cutting means 50 conveys the tire-constituting strip-shaped member W to a position where it is cut to a fixed length, the conveyer conveyor 1
Then, the operation of the sticking conveyor 10 is stopped.

The holding means 70 operates to contract the telescopic rod 73 of the holding cylinder 72, and the holding plate 75 descends to hold the holding plate 7 in front of and behind the cut portion of the belt material W constituting the tire.
It is pressed by 5 and held between it and the pedestal 63. Subsequently, the cutting means 50 is operated, the drive motor 54 is driven to rotate the rotary round blade 56, and the cutter portion moving motor 60 is also operated.
Is driven to move the cutter portion C along the traveling rail 52, and while the pressing means 70 presses the tire-constituting strip material W, the rotary round blade 56 moves the tire-constituting strip material W in the width direction of the tire forming drum F. Cut to length according to the circumference.

The clutch cylinder 100 operates, the clutch mechanism (not shown) is released, the driving means is rotated, and the slide member 92 is moved in the transport direction of the belt-shaped material W constituting the tire. Then, the lifting cylinder 96 is operated. Then, as shown in FIG. 8, the upper surface Wd at the rear end of the tire constituent strip-shaped member W, which has been cut to a fixed length and is pressed and held by the pressing plate 75 of the pressing means 70, is suction-held by the vacuum suction pad 95.

Next, the pressing cylinder 72 of the front pressing portion 70A of the belt member W constituting the tire of the pressing means 70 is actuated, the pressing plate 75 at the front portion is raised, and the belt member W constituting the tire that has been cut to a fixed length is held. To cancel. At this time, the pressing plate 75 at the front part rises up to a state where the arm 94 can pass thereunder. Drive motor 16 for sticking conveyor 10
Is driven, and the tire-constituting strip-shaped member W, which has been cut to a fixed length, is conveyed on the toothed conveyor belt 13 of the sticking conveyor 10 while its front end is held by the first holding means 24. At this time, the drive means and the clutch mechanism of the transport conveyor 1 are also driven in synchronization with the drive motor 16 of the pasting conveyor 10 to move the slide member 92 in the transport direction of the tire constituent strip material W, and the cut tire constituent strip shape. Member W
While holding the rear end portion of the tire with the vacuum suction pad 95, the tire-constituting strip-shaped member W is conveyed.

As shown in FIG. 9, when the rear end of the tire-constituting strip W is conveyed onto the second holding means 25 of the sticking conveyor 10, the driving motor 1 of the sticking conveyor 10 is driven.
6 and the driving means of the conveyor 1 stop, and the conveyance of the tire-constituting strip-shaped member W stops. The vacuum suction pad 44 of the second holding means 25 acts to suck and hold the rear end lower surface Wb of the tire-constituting strip-shaped member W, and the rear end of the tire-constituting strip-shaped member W is transferred to the second holding means 25. The brake device is also activated and the toothed pulley is locked.

When the vacuum suction pad 44 suction-holds the rear end lower surface Wb of the tire-constituting belt-shaped member W, the suction of the vacuum suction pad 95 is released, and the lifting cylinder 96 is lifted.
Is operated to raise the tip portion 94a of the arm 94 and separate the vacuum suction pad 95 from the upper surface Wd of the rear end portion of the tire-constituting strip-shaped member W. The drive means of the transfer conveyor 1 is actuated, the toothed pulley 98c is rotated, and the slide member 92 is moved.
1 is returned to the original position in FIG.
Is operated to lower the tip portion 94a of the arm 94, and the vacuum suction pad 95 is actuated to wait on the transport conveyor 1 to suction-hold the top surface of the tip portion of the tire-constituting strip-shaped member W to be cut next to the standard length.

The sticking conveyor 10 is operated, and the first holding means 24 and the second holding means 25 cause the belt member W constituting the tire to move.
While the front end lower surface Wa and the rear end lower surface Wb of the tire are suction-held, the length of the belt-shaped member W, which has been cut to a fixed length, maintains its length, and the toothed conveyor belt 13 is pressed under the tire forming drum F. Move to the position (paste position).

From this state, an air cylinder (not shown) in the base frame 18 is operated to move the base frame 18 and the pasting conveyor 10 forward under the tire forming drum F in front by the guide of the guide mechanism 103, and at the same time, the tire forming drum F. For F, pasted conveyor 10
The rocking cylinder 23 is operated to raise the tip side of the
The tip portion of the tire-constituting strip-shaped member W is pressure-bonded and attached. When the tire-constituting strip-shaped member W starts to be wound around the tire forming drum F, the brake device 3 of the first holding means 24.
The locked state of 8a and 38b is released, and the toothed pulley 3
7 is in a free state, while the second holding means 25 is
With the rear end portion Wb of the tire-constituting belt-shaped member W adsorbed and held, the sticking conveyor 10 is operated and moved on the toothed conveyor belt 13 toward the tire forming drum F side.

The vacuum suction pad 44 of the second holding means 25 is released from the suction when the rear end of the tire-constituting strip-shaped member W is completely attached to the tire forming drum F. The rear end portion of the tire-constituting belt-shaped member W is held until the front end and the rear end of W are butted against each other and joined. Therefore, tire forming is performed from the transport conveyor 1 via the first holding means 24 and the second holding means 25 of the sticking conveyor 10 without leaving the front and rear ends of the tire constituent strip-shaped member W that has been cut to a fixed length even once. Since it can be attached to the drum F, the contraction of the tire-constituting belt-shaped member W made of rubber or the like due to the internal stress is effectively generated in the tire-constituting belt-shaped member W that has been cut to a standard length during transportation. Can be suppressed. Therefore, it can be attached to the tire forming drum F with high accuracy. Further, since it is not necessary to measure the cut length of the tire-constituting strip-shaped member W before sticking, there is no influence of measurement error. Furthermore, since it is not necessary to use a measuring means or a control means for controlling the calculation accompanying it,
Although the cost is low, the belt member W constituting the tire can be always adhered with high accuracy.

At the stage where the application of the belt member W constituting the tire is completed, the tip end side of the application conveyor 10 with respect to the tire forming drum F is lowered by operating the rocking cylinder 23 in the reverse direction and is located inside the base frame 18. Not operating the air cylinder in reverse, the base frame 18 and the sticking conveyor 10 are retracted by the guide of the guide mechanism 103, and the brake devices 38a, 38b of the first holding means 24 and the second holding means 25 are operated to operate the respective teeth. Pulley with 3
7, the drive motor 16 is driven in the reverse direction, and the toothed conveyor belt 1 of the laminating conveyor 10
With the movement of 3, the first holding means 24 and the second holding means 2
5 returns to the position shown in FIG. 1 and waits until the next tire constituent strip member W is supplied. By repeating the above-mentioned operation, it is possible to successively cut the long tire-constituting belt-shaped member to a fixed length and attach it to the tire forming drum F with high accuracy.

In the above embodiment, the conveyor belt 3 of the conveyer conveyor 1 and the slide member 92 of the auxiliary holding means 90 are moved by the same driving means via the clutch mechanism, but the driving means are provided separately. The present invention is not limited to the aspect of the above-described embodiment, and the present invention can be implemented in other aspects.

[0040]

As described above, according to the present invention, the first and second holding means and the second holding means of the sticking conveyor are provided from the transport conveyor without releasing the front and rear ends of the tire-constituting belt-shaped member that has been cut to a constant length. Since it can be affixed to the tire forming drum, it is possible to effectively suppress the contraction of the tire forming belt-shaped member made of rubber or the like due to the internal stress, and to always keep the tire forming belt-shaped member cut to a fixed length on the tire forming drum. It can be pasted with high accuracy.

Further, since it is not necessary to measure the cut length of the belt-shaped member constituting the tire before application, it is not affected by the measurement error, and moreover, the measuring means and the calculation control accompanying it are expensive. Since it is not necessary to use a control means or the like, it is possible to always attach the tire-constituting strip-shaped member with high accuracy while keeping the cost low.

[Brief description of drawings]

FIG. 1 is a front explanatory view showing an example of a device for supplying a belt-shaped member constituting a tire of the present invention.

FIG. 2 is an enlarged half sectional view taken along the line AA of FIG.

FIG. 3 is a sectional view taken along the line BB of FIG.

FIG. 4 is an enlarged explanatory view of cutting means.

FIG. 5 is an enlarged explanatory view of a pressing unit.

FIG. 6 is a schematic diagram showing a first embodiment of a pasting conveyor that attaches a tip end portion of a tire-constituting strip-shaped member held by a vacuum suction pad of an auxiliary holding means.
It is explanatory drawing which shows the state delivered to a holding means.

FIG. 7 is an explanatory view showing a state in which the tire-constituting belt-shaped member is cut to a fixed length while being pressed by a pressing means.

FIG. 8 is an explanatory view showing a state where the rear end portion of the tire constituent strip-shaped member that has been cut to a fixed length is held by a vacuum suction pad of an auxiliary holding means.

FIG. 9 is a second diagram of a conveyor for attaching a belt member having a tire structure whose rear end is held by a vacuum suction pad of an auxiliary holding means.
It is explanatory drawing which shows the state delivered to a holding means.

[Explanation of symbols]

1 Transport Conveyor 10 Pasting Conveyor 13 Toothed Conveyor Belt 24 First Holding Means 25 Second Holding Means 37 Toothed Pulleys 38a, 38b Brake Device 44 Vacuum Adsorption Pads 50 Cutting Means 51 Traveling Frame 52 Traveling Rail 56 Rotating Round Blade 63 Cradle 70 Holding means 70A, 70B Holding part 72 Holding cylinder 73 Telescopic rod 74 Connecting member 75 Holding member 90 Auxiliary holding means 92 Sliding member 94 Arm 95 Vacuum suction pad (holding part) C Cutter part F Tire forming drum W Tire Constituent band member

Claims (8)

(57) [Claims] 1. A method of supplying a tire-constituting belt-shaped member, wherein a tire-constituting belt-shaped member conveyed on a conveyor is cut to a predetermined length, and the cut tire-constituting belt-shaped member is attached to a tire forming drum via a sticking conveyor. And a step of delivering the tip portion to the first holding means of the pasting conveyor following the conveyance conveyor while the tip portion of the tire-constituting belt-shaped member on the conveyance conveyor is constrained after cutting, 1 a step of transporting a predetermined amount of the tire constituent strip-shaped member in a state where the tip end of the tire constituent strip-shaped member is held by the holding means; A step of cutting to a fixed length, and holding the rear end portion of the cut tire-constituting strip-shaped member by the first holding means while restraining it after cutting. Transporting the tire-constituting strip-shaped member and delivering the rear end portion of the tire-constituting strip-shaped member to the second holding means of the pasting conveyor; and the constant holding means held by the first holding means and the second holding means. A method for supplying a tire component strip-shaped member, comprising: a step of transporting a tire-shaped strip component that has been cut to a position where the forming drum is attached; and a step of attaching the tire component strip-shaped member at the attachment position to the forming drum. . 2. A tire component strip-shaped member supply device which cuts a tire component strip-shaped member conveyed on a transport conveyor to a predetermined length and attaches the cut tire component strip-shaped member to a forming drum via a sticking conveyor. And a cutting means for cutting the tire-constituting strip-shaped member in the width direction is provided between the transport conveyor and the sticking conveyor, and a pressing means for holding the cutting portion of the tire-constituting strip-shaped member is provided, and the sticking is performed on the sticking conveyor. A first holding means for holding the front end of the tire-constituting belt-shaped member and a second holding means for holding the rear end of the tire-constituting belt-shaped member, which can be moved or stopped together with the conveyor belt by the operation of the conveyor, Adjacent to the transfer conveyor, it is possible to reciprocate in the transfer direction of the tire component belt-shaped member,
A device for supplying a tire-constituting belt-shaped member, which is provided with auxiliary holding means having a holding portion for holding a tire-constituting belt-shaped member that can be raised and lowered. 3. The cutting means has a traveling frame, which is arranged in a direction intersecting a conveying direction of the tire-constituting strip-shaped member, above a conveying surface of the tire-constituting strip-shaped member. A reciprocally movable cutter part that cuts the tire constituent strip-shaped member in the width direction along the traveling rails arranged in the intersecting direction, and a tire constituent strip-shaped member that is provided so as to face the cutter part. The supply device for a belt-shaped member constituting a tire according to claim 2, further comprising a pedestal for cutting to be placed. 4. The pressing means has a pair of pressing portions that press and hold both sides of the cut portion of the tire constituent strip-shaped member, and each of the pressing portions has a telescopic rod above the conveying surface of the tire constituent strip-shaped member. The pair of pressing cylinders protruding and retracting, the pressing member for pressing the tire-constituting strip-shaped member in the width direction is attached to a connecting member horizontally installed on the upper ends of the telescopic rods of the pair of pressing cylinders. For supplying the belt-shaped member constituting the tire of the above. 5. The pasting conveyor has a toothed conveyor belt, and the first holding means and the second holding means each have an upper surface of the toothed conveyor belt below a conveying height of the tire-constituting belt-shaped member. A toothed pulley that engages with the toothed pulley, and the toothed pulley is configured to be in a state in which its rotation is freed by a braking device and a state in which the toothed pulley is braked. The device for supplying a belt-shaped member constituting a tire according to claim 2, wherein the holding means moves. 6. The tire constituent belt-shaped member supply device according to claim 7, wherein the first holding means and the second holding means have a vacuum suction pad for sucking and holding a lower surface of the tire constituent belt-shaped member. 7. The auxiliary holding means has a slide member capable of reciprocating in the conveying direction of the tire-constituting belt-shaped member, the slide member is provided with an arm whose tip can be raised and lowered, and the arm tip portion has a tire-constituting belt-shaped member. The device for supplying a belt-shaped member constituting a tire according to claim 2, further comprising a holding portion for holding the member. 8. The apparatus for supplying a tire-constituting belt-shaped member according to claim 7, wherein the holding portion is a vacuum suction pad that sucks and holds the upper surface of the tire-constituting belt-shaped member.